Pennsylvanian meaning

pĕn'səl-vān'yən, -vā'nē-ən
Of or relating to Pennsylvania.
adjective
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Of, relating to, or being the period of geologic time from about 318 to 299 million years ago, the sixth period of the Paleozoic Era. The Pennsylvanian Period is characterized by the appearance of the first reptiles and widespread swamp forests.
adjective
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A native or resident of Pennsylvania.
noun
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The Pennsylvanian Period.
noun
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Of Pennsylvania.
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Designating or of the second and last geologic subdivision or epoch of the Carboniferous Period, characterized by the development of vast deposits of dead, coal-forming plant matter and the first conifers and reptiles.
adjective
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A person born or living in Pennsylvania.
noun
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The sixth period of the Paleozoic Era, from about 320 to 286 million years ago. Rock deposits from this period of time alternate between being marine and terrestrial in origin, and are rich in coal. Reptiles first appeared in the Pennsylvanian Period.
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the Pennsylvanian
  • The Pennsylvanian subdivision or epoch of the Carboniferous Period or its rocks.
idiom
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Idioms and Phrasal Verbs

the Pennsylvanian

Origin of pennsylvanian

  • After Pennsylvania
    From American Heritage Dictionary of the English Language, 5th Edition